Rachael Has Been Hired by Mane, a Fitness Company, to See

question 131

Multiple Choice

Rachael has been hired by Mane, a fitness company, to see if their new fitness program is an effective method of reducing weight. She recruits 500 overweight people between the ages of 45-60 and randomly assigns them two groups. Group A consists of people who take part in Mane's fitness program for 5 hours a week, while group B consists of people who will undertake cardio and weight training, also 5 times a week. Both groups are instructed to maintain a balanced diet during the course of the experiment. After 3 months, Rachael finds that group A members have lost 10 percent of body fat, while group B members have lost 3 percent of body fat.
The research category that best fits this study is

• A)randomized controlled experiment.
• B)prospective observational study.
• C)retrospective observational study.

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Definitions:

Anal Intercourse

Sexual activity involving the insertion of the penis into the anus.

HIV Cases

Instances of human immunodeficiency virus infections, a virus that attacks the immune system and can lead to acquired immunodeficiency syndrome (AIDS) if not treated.

United States

A North American nation comprised of 50 states, one federal district, five significant autonomous territories, and numerous holdings.

Decreased

Reduced in quantity, size, or intensity.